* {
    margin: 0;
    padding: 0;
    &::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    &::-webkit-scrollbar-thumb {
      border-radius: 6px;
      box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
      background: #3477f2;
    }
    &::-webkit-scrollbar-track {
      border-radius: 10px;
      background: #ffffff;
    }
  }
  html,
  body,
  #app {
    height: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 14px;
  }
  body {
    font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial,
      sans-serif;
  }
  *,
  *:before,
  *:after {
    box-sizing: inherit;
  }
  input::-webkit-outer-spin-button,
  input::-webkit-inner-spin-button {
    -webkit-appearance: none;
  }
  a:focus,
  a:active {
    outline: none;
  }
  a,
  a:focus,
  a:hover {
    cursor: pointer;
    text-decoration: none;
  }
  div:focus {
    outline: none;
  }
  .inline_block {
    display: inline-block;
  }
  .block {
    display: block;
  }
  
  .pointer {
    cursor: pointer;
  }
  
  ul {
    margin: 0;
    padding: 0;
  }
  li {
    list-style: none;
  }
  
  .w_100 {
    width: 100%;
  }
  .h_100 {
    height: 100%;
  }
  .w_150 {
    width: 150px !important;
  }
  
  .bg_fff {
    background-color: #fff;
  }
  
  .of {
    overflow: hidden;
  }
  
  .pl_5 {
    padding-left: 5px;
  }
  .pt_10 {
    padding-top: 10px;
  }
  .pr_10 {
    padding-right: 10px;
  }
  .pb_10 {
    padding-bottom: 10px;
  }
  .pl_10 {
    padding-left: 10px;
  }
  .pt_20 {
    padding-top: 20px;
  }
  .pr_20 {
    padding-right: 20px;
  }
  .pb-20 {
    padding-bottom: 20px;
  }
  .pl_20 {
    padding-left: 20px;
  }
  
  .mt_10 {
    margin-top: 10px;
  }
  .mr_10 {
    margin-right: 10px;
  }
  .mb_10 {
    margin-bottom: 10px;
  }
  .ml_10 {
    margin-left: 10px;
  }
  .mt_20 {
    margin-top: 20px;
  }
  .mr_20 {
    margin-right: 20px;
  }
  .mb_20 {
    margin-bottom: 20px;
  }
  .ml_20 {
    margin-left: 20px;
  }
  
  .center {
    margin: 0 auto;
  }
  
  .t-center {
    text-align: center;
  }
  .t_justify {
    text-align: justify;
  }
  .t_right {
    text-align: right;
  }
  .t_nowrap {
    overflow: hidden;
    white-space: nowrap;
  }
  .t_ellipse {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  
  .bold {
    font-weight: bold;
  }
  .c_333 {
    color: #333;
  }
  .c_666 {
    color: #666;
  }
  .c_fff {
    color: #fff;
  }
  .c-3477F2 {
    color: #3477f2;
  }
  
  .border-t {
    border-top: 1px solid #dedede;
  }
  .border-r {
    border-right: 1px solid #dedede;
  }
  .border-b {
    border-bottom: 1px solid #dedede;
  }
  .border-l {
    border-left: 1px solid #dedede;
  }
  
  .font-size-12 {
    font-size: 12px;
  }
  .font-size-13 {
    font-size: 13px;
  }
  .font-size-14 {
    font-size: 14px;
  }
  .font-size-16 {
    font-size: 16px;
  }
  .font-size-18 {
    font-size: 18px;
  }
  .font-size-20 {
    font-size: 20px;
  }
  
  .flex {
    display: flex;
  }
  .flex-center {
    justify-content: center;
    align-items: center;
  }
  .flex-align-center {
    align-items: center;
  }
  .flex-align-bottom {
    align-items: flex-end;
  }
  .flex-justify-between {
    justify-content: space-between;
  }
  .flex-justify-center {
    justify-content: center;
  }
  .flex-justify-around {
    justify-content: space-around;
  }
  .flex-content-end {
    justify-content: flex-end;
  }
  .flex-direction-column {
    flex-direction: column;
  }
  .flex-wrap {
    flex-wrap: wrap;
  }
  